Even though the planets will appear close together in the night sky this week, they actually remain millions of miles apart, because they orbit the Sun at various distances.
To find the little parade of planets, it is likely easiest to first look for Venus and also Mercury, which will be close together just above the horizon to the southwest.
The latter will be far harder to spot — being both outshined by the 70-times-brighter Venus and disadvantaged by appearing in a relatively bright part of the night sky.
Tonight, the duo appeared just 1.5 degrees apart in the sky. Tomorrow will see the pair reach conjunction, their closest apparent approach, at around 9pm in the evening.
They will not appear so close to each other again until the year 2024.
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Article source: https://www.express.co.uk/news/science/1714769/astronomy-all-other-solar-system-planets-visible-night-sky